Drug interactions
Chlorambucil + Mechlorethamine
Severity: Moderate
Chlorambucil and Mechlorethamine: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Both are alkylating agents with bone marrow toxicity. Systemic use together may cause additive, prolonged myelosuppression.
What this interaction means in plain words
Chlorambucil and Mechlorethamine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Chlorambucil belongs to Oncology; Mechlorethamine belongs to Oncology.
Why it happens
Additive myelosuppression from two alkylating agents.
What to do
Monitor complete blood counts regularly and adjust doses or delay treatment for significant cytopenias.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Chlorambucil
Other interactions of Mechlorethamine
Frequently asked questions
Can I take Chlorambucil with Mechlorethamine?
MediHelp rates the interaction as moderate. Chlorambucil and Mechlorethamine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Both are alkylating agents with bone marrow toxicity. Systemic use together may cause additive, prolonged myelosuppression.
How serious is the interaction between Chlorambucil and Mechlorethamine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor complete blood counts regularly and adjust doses or delay treatment for significant cytopenias.
What other medicines interact with Chlorambucil?
MediHelp also lists interactions of Chlorambucil with, for example, Adenovirus types 4 and 7 live, Axicabtagene ciloleucel, Belatacept. The full list is on the Chlorambucil page.
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